CompTIA Security+ (SY0-701) — Question 443

A network engineer is increasing the overall security of network devices and needs to harden the devices. Which of the following will best accomplish this task?

Answer options

Correct answer: C

Explanation

The correct answer is C, as replacing Telnet with SSH ensures encrypted communication, significantly improving security. Options A and B may aid in security but do not directly address the vulnerabilities associated with remote access protocols, while option D actually decreases security by using an unencrypted protocol.